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circumnutate

American  
[sur-kuhm-noo-tayt, -nyoo-] / ˌsɜr kəmˈnu teɪt, -ˈnju- /

verb (used without object)

circumnutated, circumnutating
  1. (of the apex of a stem or other growing part of a plant) to bend or move around in an irregular circular or elliptical path.


Other Word Forms


Etymology

Origin of circumnutate

1875–80; circum- + nutate < Latin nūtātus, past participle of nūtāre to nod in assent, sway, totter


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The cotyledons therefore circumnutate independently of the movement of the hypocotyl.

From The Power of Movement in Plants by Charles Darwin

These observations were made before we were aware at what an extraordinarily rapid rate the cotyledons circumnutate, and are therefore liable to error.

From The Power of Movement in Plants by Charles Darwin

Nor did it sink down during the 28th, but continued to circumnutate about the same place.

From The Power of Movement in Plants by Charles Darwin

The primary radicle emits secondary ones which project sub-horizontally; and these were observed in one case to circumnutate.

From The Power of Movement in Plants by Charles Darwin

This movement has been called by Sachs "revolving nutation;" but we have found it much more convenient to use the terms circumnutation and circumnutate.

From The Power of Movement in Plants by Charles Darwin

It may be seen in the above figure that the flower-stem of O. carnosa circumnutated during two days about the same spot.

From The Power of Movement in Plants by Charles Darwin

At 6 P.M. the great nocturnal rise commenced, and on the next morning the sinking of the leaflet was continued until 8.30 A.M., after which hour it circumnutated in the manner just described.

From The Power of Movement in Plants by Charles Darwin

By this time the leaf had nearly assumed its final position, and now plainly circumnutated.

From The Power of Movement in Plants by Charles Darwin

As far as we could judge the uppermost inch alone of the stem circumnutated, and this in a simple manner.

From The Power of Movement in Plants by Charles Darwin

On the third morning they fell very much, and then circumnutated on a small scale round the same spot; by 8.20 P.M. they showed no tendency to rise at night.

From The Power of Movement in Plants by Charles Darwin

The surprising fact was established, that all the parts or organs of plants, whilst they continue to grow, are continually revolving, or circumnutating as Darwin called it.

From Life of Charles Darwin by G. T. (George Thomas) Bettany

THE circumnutating movements of the several parts or organs of a considerable number of seedling plants have been described in the last chapter.

From The Power of Movement in Plants by Charles Darwin

The summit of the petiole was then secured to a stick, and the separate leaflets were found to be continually circumnutating.

From The Power of Movement in Plants by Charles Darwin

Judging from previous cases, there can hardly be a doubt that this seedling was circumnutating.

From The Power of Movement in Plants by Charles Darwin

We have met with no other instance of a circumnutating movement of such great amplitude as 180o; nor of such rapidity of movement as the passage through 80o in 12 m.

From The Power of Movement in Plants by Charles Darwin

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